North Carolina
$409
4.09% state
- Total withheld
- $3,374
- Net bonus
- $6,626
- Federal + FICA
- $2,965
- Rank
- #31
Michigan withholds $16 more state tax than North Carolina on $10,000 bonus with $80,000 year-to-date wages (flat supplemental method).
By Sammy S. · Founder · AuthorUpdated for 2026
Key finding
$16 more state tax — net gap ~$16 ($6,626 vs $6,610).
$409
4.09% state
$425
4.25% state
Total withholding gap: $16 (state drives most of the difference).
| Topic | North Carolina | Michigan |
|---|---|---|
| Withholding method | Published flat supplemental | Published flat supplemental |
| Supplemental rate | 4.09% | 4.25% |
| Vignette state tax | $409 | $425 |
| Vignette federal + FICA | $2,200 + $765 | $2,200 + $765 |
| Vignette total withheld | $3,374 | $3,390 |
| Vignette net | $6,626 | $6,610 |
| Rank (curated) | #31 | #30 |
$80,000 YTD wages; engine flat supplemental method. State gap is state tax only; net columns include federal and FICA.
| Bonus | North Carolina state | Michigan state | State gap | NC net | MI net |
|---|---|---|---|---|---|
| $5,000 | $204.50 | $212.50 | $8 | $3,313 | $3,305 |
| $10,000 | $409 | $425 | $16 | $6,626 | $6,610 |
| $25,000 | $1,022.50 | $1,062.50 | $40 | $16,565 | $16,525 |
| $50,000 | $2,045 | $2,125 | $80 | $33,130 | $33,050 |
This page compares state supplemental withholding for North Carolina (NC) and Michigan (MI) on $10,000 bonus with $80,000 year-to-date wages (flat supplemental method), calculated from our engine (same engine as the bonus calculator).
Michigan is higher by about $16 in state tax alone; net take-home favors North Carolina by about $16.
Published state supplemental withholding at 4.09% on bonus and other supplemental wages.
Published state supplemental withholding at 4.25% on bonus and other supplemental wages.
North Carolina (Published flat supplemental): about 4.09% → $409 on the vignette.
Michigan (Published flat supplemental): about 4.25% → $425 on the vignette.
Official state agencies for this pair only are linked in the sources section — not every state in the hub.
Both states withhold $2,200 federal income tax under the Pub. 15 flat method (22% on $10,000).
FICA is $765 in each (Social Security + Medicare on this YTD/bonus pair). The take-home gap is almost entirely state supplemental withholding.
Above $1M supplemental wages with one employer, federal withholding uses 37% on the excess — still the same rule in both states.
The ladder recomputes engine results at $5k–$50k bonuses with $80,000 YTD wages.
When both sides use flat (or flat-PIT proxy) rates, the dollar gap scales roughly with bonus size.
Signing-bonus negotiations should still include regular wage tax and cost of living — not supplemental withholding alone.
Local city taxes (NYC, Philly wage tax, Ohio municipalities) are not included.
Aggregate-method stubs can differ from the flat-percentage estimates shown here.
Final Form 1040 liability depends on annual brackets, deductions, and credits — withholding is a prepayment.
Before treating the withholding gap as a job or relocation decision.
Vignette net: $6,626 (NC) vs $6,610 (MI).
Flat supplemental rates differ by state; federal 22% and FICA rules are the same. Withholding is not your final tax bill when you file.
NYC/local taxes, aggregate-method withholding, and equity vest timing are not modeled. Use the bonus calculator for custom amounts and YTD wages.
Compare any two states
Supplemental bonus withholding on a $10,000 bonus with $80,000 YTD wages.